HEIDENHAIN TNC 320 (340 55x-04) Cycle programming User Manual

Page 357

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HEIDENHAIN TNC 320

357

15.13 D

A

TUM IN ONE AXIS (Cy

c

le 41

9, DIN/ISO: G41

9

)

U

Traverse direction Q267: Direction in which the

probe is to approach the workpiece:
-1: Negative traverse direction
+1: Positive traverse direction

U

Datum number in table Q305: Enter the number in

the datum or preset table in which the TNC is to save
the coordinate. If you enter Q305=0, the TNC
automatically sets the display so that the new datum
is on the probed surface. Input range 0 to 2999

U

New datum Q333 (absolute): Coordinate at which the

TNC should set the datum. Default setting = 0. Input
range: –99999.9999 to 99999.9999

U

Measured-value transfer (0, 1) Q303: Specify

whether the determined datum is to be saved in the
datum table or in the preset table:
-1: Do not use. See “Saving the calculated datum” on
page 312
0: Write determined datum in the active datum table.
The reference system is the active workpiece
coordinate system.
1: Write determined datum in the preset table. The
reference system is the machine coordinate system
(REF system).

Example: NC blocks

5 TCH PROBE 419 DATUM IN ONE AXIS

Q263=+25

;1ST POINT 1ST AXIS

Q264=+25

;1ST POINT 2ND AXIS

Q261=+25

;MEASURING HEIGHT

Q320=0

;SETUP CLEARANCE

Q260=+50

;CLEARANCE HEIGHT

Q272=+1

;MEASURING AXIS

Q267=+1

;TRAVERSE DIRECTION

Q305=0

;NO. IN TABLE

Q333=+0

;DATUM

Q303=+1

;MEAS. VALUE TRANSFER

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